<?php
/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2010 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * This is the File Manager Connector for PHP.
 */

/**
 * GetFolders
 * 
 * @param	string	$resourceType		Resource type
 * @param 	string 	$currentFolder		Current folder
 * @return 	void
 */
function GetFolders($resourceType, $currentFolder)
{
	// Map the virtual path to the local server path.
	$sServerDir = ServerMapFolder($resourceType, $currentFolder, 'GetFolders');

	// Array that will hold the folders names.
	$aFolders	= array();

	$oCurrentFolder = @opendir($sServerDir);

	if ($oCurrentFolder !== false)
	{
		while ( $sFile = readdir($oCurrentFolder) )
		{
			if ( $sFile != '.' && $sFile != '..' && is_dir($sServerDir . $sFile) )
				$aFolders[] = '<Folder name="' . ConvertToXmlAttribute($sFile) . '" />' ;
		}
		closedir($oCurrentFolder);
	}

	// Open the "Folders" node.
	echo "<Folders>" ;

	natcasesort($aFolders);
	foreach ( $aFolders as $sFolder )
		echo $sFolder ;

	// Close the "Folders" node.
	echo "</Folders>" ;
}

/**
 * GetFoldersAndFiles
 *
 * @param	string	$resourceType	Resource type
 * @param	string	$currentFolder	Current folder
 * @return void
 */
function GetFoldersAndFiles( $resourceType, $currentFolder )
{
	// Map the virtual path to the local server path.
	$sServerDir = ServerMapFolder($resourceType, $currentFolder, 'GetFoldersAndFiles');

	// Arrays that will hold the folders and files names.
	$aFolders	= array();
	$aFiles		= array();

	$oCurrentFolder = @opendir($sServerDir);

	if ($oCurrentFolder !== false)
	{
		while ( $sFile = readdir($oCurrentFolder) )
		{
			if ( $sFile != '.' && $sFile != '..' )
			{
				if ( is_dir($sServerDir . $sFile) )
					$aFolders[] = '<Folder name="' . ConvertToXmlAttribute($sFile) . '" />' ;
				else
				{
					$iFileSize = @filesize($sServerDir . $sFile);
					if ( !$iFileSize ) {
						$iFileSize = 0 ;
					}
					if ( $iFileSize > 0 )
					{
						$iFileSize = round($iFileSize / 1024);
						if ( $iFileSize < 1 )
							$iFileSize = 1 ;
					}

					$aFiles[] = '<File name="' . ConvertToXmlAttribute($sFile) . '" size="' . $iFileSize . '" />' ;
				}
			}
		}
		closedir($oCurrentFolder);
	}

	// Send the folders
	natcasesort($aFolders);
	echo '<Folders>' ;

	foreach ( $aFolders as $sFolder )
		echo $sFolder ;

	echo '</Folders>' ;

	// Send the files
	natcasesort($aFiles);
	echo '<Files>' ;

	foreach ( $aFiles as $sFiles )
		echo $sFiles ;

	echo '</Files>' ;
}

/**
 * Create folder
 *
 * @param   string $resourceType    Resource type
 * @param   string $currentFolder   Current folder
 * @return void
 */
function CreateFolder( $resourceType, $currentFolder )
{
	if (!isset($_GET)) {
		global $_GET;
	}
	$sErrorNumber	= '0' ;
	$sErrorMsg		= '' ;

	if ( isset( $_GET['NewFolderName'] ) )
	{
		$sNewFolderName = $_GET['NewFolderName'] ;
		$sNewFolderName = SanitizeFolderName($sNewFolderName);

		if (strpos($sNewFolderName, '..') !== FALSE)
			$sErrorNumber = '102' ;		// Invalid folder name.
		else
		{
			// Map the virtual path to the local server path of the current folder.
			$sServerDir = ServerMapFolder($resourceType, $currentFolder, 'CreateFolder');

			if ( is_writable($sServerDir) )
			{
				$sServerDir .= $sNewFolderName ;

				$sErrorMsg = CreateServerFolder($sServerDir);

				switch ( $sErrorMsg )
				{
					case '':
						$sErrorNumber = '0' ;
						break;
					case 'Invalid argument' :
					case 'No such file or directory' :
						$sErrorNumber = '102' ;		// Path too long.
						break ;
					default:
						$sErrorNumber = '110' ;
						break ;
				}
			}
			else
				$sErrorNumber = '103' ;
		}
	}
	else
		$sErrorNumber = '102' ;

	// Create the "Error" node.
	echo '<Error number="' . $sErrorNumber . '" />' ;
}

// @CHANGE
//function FileUpload( $resourceType, $currentFolder, $sCommand )
/**
 * FileUpload
 * 
 * @param	string	$resourceType	Resource type
 * @param 	string 	$currentFolder	Current folder
 * @param	string	$sCommand		Command
 * @param	string	$CKEcallback	Callback
 * @return	null
 */
function FileUpload($resourceType, $currentFolder, $sCommand, $CKEcallback = '')
{
	if (!isset($_FILES)) {
		global $_FILES;
	}
	$sErrorNumber = '0' ;
	$sFileName = '' ;

	if ( isset( $_FILES['NewFile'] ) && !is_null($_FILES['NewFile']['tmp_name'])
       // This is for the QuickUpload tab box
        or (isset($_FILES['upload']) && !is_null($_FILES['upload']['tmp_name'])))
	{
		global $Config ;

		$oFile = isset($_FILES['NewFile']) ? $_FILES['NewFile'] : $_FILES['upload'];

		// Map the virtual path to the local server path.
		$sServerDir = ServerMapFolder($resourceType, $currentFolder, $sCommand);

		// Get the uploaded file name.
		$sFileName = $oFile['name'] ;
		$sFileName = SanitizeFileName($sFileName);

		$sOriginalFileName = $sFileName ;

		// Get the extension.
		$sExtension = substr($sFileName, (strrpos($sFileName, '.') + 1));
		$sExtension = strtolower($sExtension);

		if ( isset( $Config['SecureImageUploads'] ) )
		{
			if ( ( $isImageValid = IsImageValid($oFile['tmp_name'], $sExtension) ) === false )
			{
				$sErrorNumber = '202' ;
			}
		}

		if ( isset( $Config['HtmlExtensions'] ) )
		{
			if (!IsHtmlExtension($sExtension, $Config['HtmlExtensions']) &&
				($detectHtml = DetectHtml($oFile['tmp_name'])) === true)
			{
				$sErrorNumber = '202' ;
			}
		}

		// Check if it is an allowed extension.
		if ( !$sErrorNumber && IsAllowedExt($sExtension, $resourceType) )
		{
			$iCounter = 0 ;

			while ( true )
			{
				$sFilePath = $sServerDir . $sFileName ;

				if ( is_file($sFilePath) )
				{
					$iCounter++ ;
					$sFileName = RemoveExtension($sOriginalFileName) . '(' . $iCounter . ').' . $sExtension ;
					$sErrorNumber = '201' ;
				}
				else
				{
					move_uploaded_file($oFile['tmp_name'], $sFilePath);

					if ( is_file($sFilePath) )
					{
						if ( isset( $Config['ChmodOnUpload'] ) && !$Config['ChmodOnUpload'] )
						{
							break ;
						}

						$permissions = '0777';
						if ( isset( $Config['ChmodOnUpload'] ) && $Config['ChmodOnUpload'] )
						{
							$permissions = (string) $Config['ChmodOnUpload'] ;
						}
						$permissionsdec = octdec($permissions);
						dol_syslog("commands.php permission = ".$permissions." ".$permissionsdec." ".decoct($permissionsdec));
						$oldumask = umask(0);
						chmod($sFilePath, $permissionsdec);
						umask($oldumask);
					}

					break ;
				}
			}

			if ( file_exists($sFilePath) )
			{
				//previous checks failed, try once again
				if ( isset( $isImageValid ) && $isImageValid === -1 && IsImageValid($sFilePath, $sExtension) === false )
				{
					@unlink($sFilePath);
					$sErrorNumber = '202' ;
				}
				else if ( isset( $detectHtml ) && $detectHtml === -1 && DetectHtml($sFilePath) === true )
				{
					@unlink($sFilePath);
					$sErrorNumber = '202' ;
				}
			}
		}
		else
			$sErrorNumber = '202' ;
	}
	else
		$sErrorNumber = '202' ;


	$sFileUrl = CombinePaths(GetResourceTypePath($resourceType, $sCommand), $currentFolder);
	$sFileUrl = CombinePaths($sFileUrl, $sFileName);


	// @CHANGE
	//SendUploadResults( $sErrorNumber, $sFileUrl, $sFileName );
	if($CKEcallback == '')
    {
        // this line already exists so wrap the if block around it
        SendUploadResults($sErrorNumber, $sFileUrl, $sFileName);
    }
    else
	{
	    //issue the CKEditor Callback
		SendCKEditorResults(
			$CKEcallback,
			$sFileUrl,
			($sErrorNumber != 0 ? 'Error '. $sErrorNumber. ' upload failed.' : 'Upload Successful')
    	);
	}

	exit;
}